Pith Number

pith:SZXXTADH

pith:2013:SZXXTADHF6C6BKVPFWOOYBTC7N

not attested not anchored not stored refs pending

Forecasting cosmological constraints from age of high-z galaxies

C.A.P. Bengaly Jr., J.C. Carvalho, J.S. Alcaniz, M.A. Dantas

arxiv:1308.6230 v2 · 2013-08-28 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZXXTADHF6C6BKVPFWOOYBTC7N}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:03:46.943925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

966f7980672f85e0aaaf2d9cec0662fb5116c551efb9033e9a226c410f96d92f

Aliases

arxiv: 1308.6230 · arxiv_version: 1308.6230v2 · doi: 10.48550/arxiv.1308.6230 · pith_short_12: SZXXTADHF6C6 · pith_short_16: SZXXTADHF6C6BKVP · pith_short_8: SZXXTADH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/SZXXTADHF6C6BKVPFWOOYBTC7N \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 966f7980672f85e0aaaf2d9cec0662fb5116c551efb9033e9a226c410f96d92f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d7df42da12d4acc9d4be786e4296bd111dc7059d9aca760e56c9dfcea92cb45",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-28T17:48:13Z",
    "title_canon_sha256": "68597de7670db4d6035f515c74bb0a13ac1948b2fdea126896109cce41d55b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6230",
    "kind": "arxiv",
    "version": 2
  }
}